Radiation Leak event can no longer target machinery that doesn't use power (#73609)

## About The Pull Request

The Radiation Leak event will no longer target machinery that doesn't
use power. This includes a lot of non-machine machinery, like the
anomalous crystal, the chef's icecream vat, or IV drips.
## Why It's Good For The Game

Closes #73558.
## Changelog
🆑 Rhials
fix: The radiation leak event no longer targets machinery that doesn't
use power.
/🆑

code/modules/events/radiation_leak.dm

@@ -26,6 +26,9 @@
 	while(length(possible_locs))
 		var/turf/chosen_loc = get_turf(pick_n_take(possible_locs))
 		for(var/obj/machinery/sick_device in range(3, chosen_loc))
+			// Excludes machines that don't use power, as these are usually non-machine machinery
+			if(sick_device.use_power == NO_POWER_USE)
+				continue
 			// Look for dense machinery. Basically stops stuff like wall mounts and pipes, silly ones.
 			// But keep in vents and scrubbers. I think it's funny if they start spitting out radiation
 			if(!sick_device.density && !istype(sick_device, /obj/machinery/atmospherics/components/unary))